Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-17 and NOAA-21 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 8/2/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 08/02/2025 19:08:30 0.11, -89.51 0.96, -85.68 437.15 80
2 08/04/2025 07:27:38 -0.12, -89.48 0.18, -90.96 167.39 80
3 08/05/2025 07:11:33 -0.12, -89.48 -0.78, -86.41 349.05 80
4 08/06/2025 19:30:50 0.13, -89.52 -0.36, -91.73 251.99 80
5 08/07/2025 19:14:45 0.13, -89.52 0.66, -87.20 264.65 80
6 08/09/2025 07:33:53 -0.14, -89.49 0.54, -92.46 339.35 80
7 08/10/2025 07:17:48 -0.14, -89.49 -0.48, -87.93 177.57 80
8 08/11/2025 19:37:04 0.15, -89.54 -0.70, -93.24 422.54 80
9 08/12/2025 19:21:00 0.14, -89.54 0.33, -88.71 94.72 80
10 08/15/2025 07:21:23 -0.15, -89.53 -0.15, -89.44 8.93 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 8/2/2025
SNOs_Map_GOES-17_NOAA-21_20250803.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 08/02/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NOAA-21